Used Demo Marucci CAT7 Silver 10 USSSA Baseball Bat 29 19 Alloy 2 3 4 Inch Size:29 19 The Acoustic Alloy has a Lizard Skin Grip with the number 20 written on it. The Acoustic Alloy has a crazy sound that tells you when the ball is flying Gripper Pattern on sleeve elbow area enhances performance of Sleeve Lock elbow retention design Bio Shape is exclusive to this shirt pattern to match the curve and shape of an athletes natural stance Air Flow technology with four way mesh stretch in under arm zones provides maximum heat release 15 BPF (New 'NTS Tested') Certification Stamp Colorway: Silver AZ4X Alloy Increased Strength with a Higher Response Rate Optimized Barrel Design Sweet Spot is Twice as Large as CAT 6 AV2 Anti Vibration Knob Offers a Better Feel and Less Negative Vibrational Feedback Ring Free Barrel Technology for Maximum Performance and No Dead Spots 2 3 4 Inch Barrel Diameter Drop 10 Length To Weight Ratio Balanced Swing Feel One Piece